I have the Antonius system from IKEA. It is inexpensive, and I raised the height of one of tables for one to fit under. I have 2 stacked in my stash closet. The wire baskets do NOT rust and it is easy to see what is in them. They are affordable and handy.
http://www.ikea.com/us/en/search/?query=antonius
I also bought an inexpensive rolling kitchen cart that folds up at my local grocery store on sale. I can fold it up when I have company or roll it into another room. It is the perfect size for my 17" x 23" cutting boards with room left over. It has 2 shelves as well. It is my cutting center. I jsut didn't put on the side knife holder.
ali